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2 Al2O3 = 4 Al + 3 O2
Fe(No3)3 + NaOH = NaNo3 + Fe(OH)3 =>
Fe(No3)3 + 3 NaOH = 3 NaNo3 + Fe(OH)3
BaS + H2SO4 = SO2 + BaSO4 + H2O =>
BaS + 4 H2SO4 = 4 SO2 + BaSO4 + 4 H2O
CaCO3 + (CH3)2CO = Ca(CH3COO)2 =>
CaCO3 + (CH3)2CO = Ca(CH3COO)2
FeCl3 + Cu(NO3)2 = CuCl3 + Fe(NO3)2 =>
FeCl3 + Cu(NO3)2 = CuCl3 + Fe(NO3)2
C6 = C18 =>
3 C6 = C18
CoCl2 + NH4Cl + NH4(OH) + H2O2 = [Co(NH3)5Cl]Cl2 + H2O =>
2 CoCl2 + 2 NH4Cl + 8 NH4(OH) + H2O2 = 2[Co(NH3)5Cl]Cl2 + 10 H2O
Ba(OH)2 + Na3PO4 = BaPO4 + Na3(OH)2 =>
Ba(OH)2 + Na3PO4 = BaPO4 + Na3(OH)2
C8H18 + HNO3 = C8H17NO2 + H2O =>
C8H18 + HNO3 = C8H17NO2 + H2O
CuSO4 + Na2S = Na2SO4 + CuS =>
CuSO4 + Na2S = Na2SO4 + CuS
H2SO4 + Mg = MgSO4 + S + H2O =>
4 H2SO4 + 3 Mg = 3 MgSO4 + S + 4 H2O
[Al(H2O)2(OH)4] + CO2 = HCO3 + Al(OH)3 + H2O =>
[Al(H2O)2(OH)4] + CO2 = HCO3 + Al(OH)3 + 2 H2O
K4Fe(CN)6 + KMnO + H2SO4 = KHSO4 + Fe2SO4 + MnSO4 + HNO3 + CO + H2 =>
2 K4Fe(CN)6 + 48 KMnO + 105 H2SO4 = 56 KHSO4 + Fe2SO4 + 48 MnSO4 + 12 HNO3 + 12 CO + 71 H2
Sb2S3 + H2O + NO3{-} = NO2 + Sb2O5 + SO4{-2} + OH{-} =>
Sb2S3 + 11 H2O + 28 NO3{-} = 28 NO2 + Sb2O5 + 3 SO4{-2} + 22 OH{-}
Fe + O = Fe3O =>
3 Fe + O = Fe3O
CaCO3 + (CH3)2CO = Ca(CH3COO)2 =>
CaCO3 + (CH3)2CO = Ca(CH3COO)2
Mn(ClO3)2(s) = MnCl2(s) + O2(g) =>
Mn(ClO3)2(s) = MnCl2(s) + 3 O2(g)
Rb + N2 = RbN2 =>
Rb + N2 = RbN2
HBr + Mg = MgBr2 + H2 =>
2 HBr + Mg = MgBr2 + H2
Cl{+2} + KB = KCl + B{2} =>
Cl{+2} + KB = KCl + B{2}
AgNO3 + CH3COOH = Ag(CH3COO) + HNO3 =>
AgNO3 + CH3COOH = Ag(CH3COO) + HNO3
ZnCl2 + NH3 = Zn(NH3)4 + Cl =>
ZnCl2 + 4 NH3 = Zn(NH3)4 + 2 Cl
MgSO4*7H2O + NH4OH = Mg(OH)2 + (NH4)2SO4 + H2O =>
MgSO4*7H2O + 2 NH4OH = Mg(OH)2 + (NH4)2SO4 + 7 H2O
Fe2(SO4) + Ba(OH)2 = Fe(OH) + Ba(SO4) =>
Fe2(SO4) + Ba(OH)2 = 2 Fe(OH) + Ba(SO4)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
FeCl2 + H2O2 + H2SO4 = FeCl3 + H2O + Fe(SO4)3 =>
3 FeCl2 + 3 H2O2 + 3 H2SO4 = 2 FeCl3 + 6 H2O + Fe(SO4)3
Mg3(PO4)2 + K2S = MgS + K3(PO4) =>
Mg3(PO4)2 + 3 K2S = 3 MgS + 2 K3(PO4)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CH3CH2OH + O2 = CO2 + H2O =>
CH3CH2OH + 3 O2 = 2 CO2 + 3 H2O
CuBr2 + NaOH = Cu(OH)2 + NaBr =>
CuBr2 + 2 NaOH = Cu(OH)2 + 2 NaBr
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
S + NaF = Na2S + F2 =>
S + 2 NaF = Na2S + F2
Al + HCl(ac) = AlCl3 + H2 =>
2 Al + 6 HCl(ac) = 2 AlCl3 + 3 H2
Mn + Sn = Mn3Sn =>
3 Mn + Sn = Mn3Sn
Ag2O + Na2HPO3 + Na2O2 = Ag + Na3PO4 + H2O =>
Ag2O + 2 Na2HPO3 + Na2O2 = 2 Ag + 2 Na3PO4 + H2O
C3H14O3 + O2 = CO2 + H2O =>
C3H14O3 + 5 O2 = 3 CO2 + 7 H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O = Ca(OH)2 + H2SO4 =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
LiCl + (NH4)2CO3 = Li2CO3 + (NH4)2Cl2 =>
2 LiCl + (NH4)2CO3 = Li2CO3 + (NH4)2Cl2
K{+} + SCN{-} = KSCN =>
K{+} + SCN{-} = KSCN
Fe2P + FeS2 = FeS + P2S5 =>
2 Fe2P + 9 FeS2 = 13 FeS + P2S5
Fe2P + S = P4S10 + FeS =>
4 Fe2P + 18 S = P4S10 + 8 FeS
Mg(HCO3)2 + H2SO4 = Mg(SO4) + CO2 + H2O =>
Mg(HCO3)2 + H2SO4 = Mg(SO4) + 2 CO2 + 2 H2O
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
FeS + O2 = Fe2SO4 + SO3 =>
4 FeS + 7 O2 = 2 Fe2SO4 + 2 SO3
Fe3O4 + H2O = Fe(OH)3 + Fe(OH)2 =>
Fe3O4 + 4 H2O = 2 Fe(OH)3 + Fe(OH)2
H2S + CO2 = CS2 + H2O =>
2 H2S + CO2 = CS2 + 2 H2O
Ca(s) + N2(g) = Ca3N2 =>
3 Ca(s) + N2(g) = Ca3N2
I2 + H2O2 = HIO3 + H2O =>
I2 + 5 H2O2 = 2 HIO3 + 4 H2O
NaOH = Na + OH =>
NaOH = Na + OH
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
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